MITgcm/optim/simul.F


      subroutine simul(
     I                  indic,
     I                  nn,
     I                  xx,
     O                  objf,
     O                  adxx
     &                )

c     ==================================================================
c     SUBROUTINE simul
c     ==================================================================
c
c     o This routine is called by the large-scale optimization lsopt.
c
c       Input  : indic - Parameter (not used here).
c                nn    - Number of control variables.
c                xx    - Array  of control variables.
c
c       Output : objf  - Value of objective function.
c                adxx  - Gradients of objective function with respect
c                        to the control variables.
c
c
c     started: Christian Eckert eckert@mit.edu 15-Feb-2000
c
c     changed: Christian Eckert eckert@mit.edu 10-Mar-2000
c
c              - Added ECCO layout.
c
c     changed:  Patrick Heimbach heimbach@mit.edu 19-Jun-2000
c               - finished, revised and debugged
c
c     ==================================================================
c     SUBROUTINE simul
c     ==================================================================

      implicit none

c     == global variables ==

#include "EEPARAMS.h"
#include "SIZE.h"
#include "ctrl.h"

c     == routine arguments ==

      integer indic
      integer nn
      _RL   xx(nn)
      _RL   objf
      _RL   adxx(nn)

c     == local variables ==

      integer i
      _RL   adobjf

      logical lheaderonly

c     == end of interface ==

      print *, 'pathei-lsopt in simul'

c--   Call the combined modified forward model and the adjoint model.
      do i = 1,nn
        adxx(i) = 0.
      enddo

      adobjf = 1.
c
      lheaderonly = .false.

      print *, 'pathei-lsopt vor optim_readdata'

      call optim_readdata( nn, ctrlname, lheaderonly, objf,   xx )
      call optim_readdata( nn, costname, lheaderonly, objf, adxx )

      indic = indic

cph(
      print *, ' leaving simul with nn, objf = ', nn, objf
      print *, ' leaving simul with xx, adxx = ', xx(1), adxx(1)
      do i=1,nn
c         if (xx(i).EQ.'NaN') then
c            print *, 'pathei - out: i = ', i
c         end if
      end do
cph)

      return
      end
1	heimbach	1.2
2			subroutine simul(
3			I indic,
4			I nn,
5			I xx,
6			O objf,
7			O adxx
8			& )
9
10			c ==================================================================
11			c SUBROUTINE simul
12			c ==================================================================
13			c
14			c o This routine is called by the large-scale optimization lsopt.
15			c
16			c Input : indic - Parameter (not used here).
17			c nn - Number of control variables.
18			c xx - Array of control variables.
19			c
20			c Output : objf - Value of objective function.
21			c adxx - Gradients of objective function with respect
22			c to the control variables.
23			c
24			c
25			c started: Christian Eckert eckert@mit.edu 15-Feb-2000
26			c
27			c changed: Christian Eckert eckert@mit.edu 10-Mar-2000
28			c
29			c - Added ECCO layout.
30			c
31			c changed: Patrick Heimbach heimbach@mit.edu 19-Jun-2000
32			c - finished, revised and debugged
33			c
34			c ==================================================================
35			c SUBROUTINE simul
36			c ==================================================================
37
38			implicit none
39
40			c == global variables ==
41
42			#include "EEPARAMS.h"
43			#include "SIZE.h"
44			#include "ctrl.h"
45
46			c == routine arguments ==
47
48			integer indic
49			integer nn
50			_RL xx(nn)
51			_RL objf
52			_RL adxx(nn)
53
54			c == local variables ==
55
56			integer i
57			_RL adobjf
58
59			logical lheaderonly
60
61			c == end of interface ==
62
63	heimbach	1.3	print *, 'pathei-lsopt in simul'
64
65	heimbach	1.2	c-- Call the combined modified forward model and the adjoint model.
66			do i = 1,nn
67	heimbach	1.3	adxx(i) = 0.
68	heimbach	1.2	enddo
69	heimbach	1.3
70			adobjf = 1.
71	heimbach	1.2	c
72			lheaderonly = .false.
73	heimbach	1.3
74			print *, 'pathei-lsopt vor optim_readdata'
75
76	heimbach	1.2	call optim_readdata( nn, ctrlname, lheaderonly, objf, xx )
77			call optim_readdata( nn, costname, lheaderonly, objf, adxx )
78
79			indic = indic
80
81			cph(
82			print *, ' leaving simul with nn, objf = ', nn, objf
83			print *, ' leaving simul with xx, adxx = ', xx(1), adxx(1)
84			do i=1,nn
85			c if (xx(i).EQ.'NaN') then
86			c print *, 'pathei - out: i = ', i
87			c end if
88			end do
89			cph)
90
91			return
92			end